1 files changed, 4 insertions, 52 deletions
diff --git a/rpc_client_serial.c b/rpc_client_serial.c
index 5194793..ec53e05 100644
--- a/rpc_client_serial.c
+++ b/rpc_client_serial.c
@@ -47,70 +47,22 @@
 #define DEVICE "/dev/ttyUSB0"
 #define SPEED B115200
 
-static int fd = -1;
-
 hal_error_t hal_rpc_client_transport_init(void)
 {
-    struct termios tty;
-
-    fd = open(DEVICE, O_RDWR | O_NOCTTY | O_SYNC);
-    if (fd == -1)
-	return perror("open"), HAL_ERROR_RPC_TRANSPORT;
-
-    if (tcgetattr (fd, &tty) != 0)
-	return perror("tcgetattr"), HAL_ERROR_RPC_TRANSPORT;
-
-    cfsetospeed (&tty, SPEED);
-    cfsetispeed (&tty, SPEED);
-
-    tty.c_cflag &= ~CSIZE;
-    tty.c_cflag |= (CS8 | CLOCAL | CREAD);
-
-    tty.c_iflag = 0;
-    tty.c_oflag = 0;
-    tty.c_lflag = 0;
-
-    tty.c_cc[VMIN] = 1;
-    tty.c_cc[VTIME] = 0;
-
-    if (tcsetattr (fd, TCSANOW, &tty) != 0)
-	return perror("tcsetattr"), HAL_ERROR_RPC_TRANSPORT;
-
-    return HAL_OK;
+    return hal_serial_init(DEVICE, SPEED);
 }
 
 hal_error_t hal_rpc_client_transport_close(void)
 {
-    int ret = close(fd);
-    fd = -1;
-    if (ret != 0)
-        return perror("close"), HAL_ERROR_RPC_TRANSPORT;
-    return HAL_OK;
+    return hal_serial_close();
 }
 
 hal_error_t hal_rpc_send(const uint8_t * const buf, const size_t len)
 {
-    if (hal_slip_send(buf, len) == -1)
-        return HAL_ERROR_RPC_TRANSPORT;
-    return HAL_OK;
+    return hal_slip_send(buf, len);
 }
 
 hal_error_t hal_rpc_recv(uint8_t * const buf, size_t * const len)
 {
-    int ret;
-
-    if ((ret = hal_slip_recv(buf, *len)) == -1)
-        return HAL_ERROR_RPC_TRANSPORT;
-    *len = ret;
-    return HAL_OK;
-}
-
-int hal_slip_send_char(const uint8_t c)
-{
-    return write(fd, &c, 1);
-}
-
-int hal_slip_recv_char(uint8_t * const c)
-{
-    return read(fd, c, 1);
+    return hal_slip_recv(buf, *len);
 }